How do I take an exam?

In order to take an exam, you must first enroll in the course.  

To enroll in the course, you find a course that you want to take click on the title of that course:

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This will take you to the course description page:
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Once you are here, click on the Take This Course button which will take you to this page:
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Confirm the course enrollment and you will be enrolled in the course. The Take This Course button will turn green and say Take Exam:
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At this point, you can click on Show Course Materials which will take you to the course material tab or you can simply hit cancel. Either way, you will be able to take the exam whenever you are ready and the green button with remain until you take the exam.